Temperature measuring device for internal-combustion engine

Details Temperature measuring device for internal-combustion engine Temperature measuring device for internal-combustion engine

1983-12-08

1985-01-15

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, F02B 300

Patent

active

044933045

ABSTRACT:
Temperature measuring device for an internal-combustion engine comprising a main engine temperature sensor to measure the temperature of the cooling water, for example, and a secondary or auxiliary temperature sensor disposed near a heat generating element in an electronic engine control unit, as a standby for the main temperature sensor.
When an output of the main temperature sensor happens to fall outside the predetermined normal range, the main temperature sensor will be immediately switched to the auxiliary temperature sensor to allow the various phases of engine control to proceed without interruption.

REFERENCES:
patent: 4274381 (1981-06-01), Abo

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